Zealotry n. : The character and behavior of a zealot; excess of zeal; fanatical devotion to a cause.

Example:
What is the difference between zeal and Zealotry?

Taxonomy
Zealots, Zealotry, Romans, the Jews, Masada, Sicarii, Rome, Jerusalem, Simon the Zealot, free dictionary, free encyclopedia, Jewish, Search, Josephus, the destruction of Jerusalem, H. H. Ben-Sasson, translations, Gaius Caligula.

Defination from the web:
zealotry in Wiktionary, the free dictionary. Zealotry was originally a political movement in first century Judaism which sought to incite the people of Iudaea Province to rebel against the ... Retrieved from "http://en.wikipedia.org/wiki/Zealotry" ...